P01122301 is a temperature probe manufactured by Chauvin Arnoux. It is a thermistor-type immersion probe designed for measuring the temperature of liquids, air, or gas. It has a half-moon shape and is made of stainless steel with a Pt100 sensor. It also has a cable with an M12 connector for easy connection to a measuring instrument. The P01122301 is designed for use in industrial applications and has a temperature range of -50°C to +600°C, with an accuracy rating of ±0.2°C.